When to Replace Your Heat Pump (2024 Guide)

Just like your car or other big appliances, your heat pump will eventually need to be replaced too, regardless of how diligently you’ve maintained it. Replacing it preemptively can spare you the headache of dealing with a sudden breakdown on a scorching hot or freezing cold day.

But how do you know when it’s the right time to replace your heat pump system? In our 2024 guide to heat pump replacement, HVAC.com details common signs that suggest your heat pump is nearing the end of its lifespan, along with tips to maximize its longevity.

Signs Your Heat Pump May Need to Be Replaced

Old Age

Age is a simple way to determine if your heat pump needs to be replaced. Air-source heat pumps last about 10-15 years. However, depending on your region’s climate and maintenance practices, they can endure up to 20 years.

While heat pumps may continue to operate after 15 years, they are more prone to breakdowns, expensive repairs, and lower efficiency that result in high energy bills, making replacement a viable option.

Increased Energy Costs

Heat pumps are less efficient as they age. Consider upgrading to a new, high-efficiency unit if your utility bills have risen significantly over the past year or two.

Comfort Issues

Does your home feel muggy and uncomfortable? Your heat pump may be to blame. During the warmer months, heat pumps remove excess moisture from the air to balance humidity levels. Old, inefficient systems often struggle to keep humidity in check.

Frequent Breakdowns

An occasional repair is common for HVAC systems, especially older units. However, if you’re repairing your heat pump more than once a season, consider replacing it. You’ll benefit from putting your hard-earned money toward a new system rather than frequent repairs.

Strange Noises

Outside the gentle hum of your heat pump system running a cycle, it should be relatively quiet. Unusual or loud noises such as grinding, rattling, or banging could indicate a broken or loose part. Consider the cost of the repair and your system’s age when deciding between HVAC repair or replacement.

Uneven Heating or Cooling

If it’s hot in one room and chilly in another, your heat pump may be struggling to properly distribute air. Have a qualified HVAC contractor inspect the system to determine if the heat pump is at fault or whether the ductwork is damaged and leaking air.

How to Prolong the Life of Your Heat Pump System

Some easy tips to protect your heat pump and keep it operating properly and efficiently year-round include:

• Regular maintenance. Maintenance is crucial to increasing your heat pump’s lifespan and preventing breakdowns and repairs. If you use your heat pump for both heating and cooling, have maintenance performed twice a year, once in the spring and again in the fall. During a heat pump maintenance tune-up, a technician will calibrate, adjust, and clean any necessary parts, as well as identify minor issues that should be addressed before they escalate into larger issues.
• Change air filters. Changing air filters is an easy task you can do yourself. Dirty and clogged air filters can restrict airflow into the system which can cause wear and tear and overheating. Change your heat pump’s air filter about every 2-3 months, or according to the manufacturer’s guidelines.
• Clear debris. Keep the area around your outdoor unit clear of debris such as leaves, branches, and dirt to ensure optimal airflow and prevent the unit from overworking.
• Set your thermostat appropriately. When you’re not home or you’re sleeping, try adjusting your thermostat to save energy. This cuts down on your heating and cooling costs and also gives your heat pump longer breaks, which can help it last longer.
• Invest in a smart or programmable thermostat: Consider buying a smart or programmable thermostat. They can adjust the temperature automatically based on your settings, reducing the load on your heat pump for a potentially longer lifespan.
• Avoid blocking vents: Make sure your furniture, curtains, or other objects are not blocking vents to allow for proper airflow.